Search a number
-
+
20102010102220 = 2251005100505111
BaseRepresentation
bin1001001001000010111010…
…01010111110000111001100
32122011201210122110121202211
410210201131022332013030
510113322404041232340
6110430422544400204
74143215356415464
oct444413512760714
978151718417684
1020102010102220
11645023a70a742
122307aa2616064
13b2a7c4396a77
144d6d2a246ba4
1524cd757cb5ea
hex12485d2be1cc

20102010102220 has 12 divisors (see below), whose sum is σ = 42214221214704. Its totient is φ = 8040804040880.

The previous prime is 20102010102217. The next prime is 20102010102259. The reversal of 20102010102220 is 2220101020102.

It is a happy number.

20102010102220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 20102010102220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502550252536 + ... + 502550252575.

It is an arithmetic number, because the mean of its divisors is an integer number (3517851767892).

Almost surely, 220102010102220 is an apocalyptic number.

20102010102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102010102220 is an abundant number, since it is smaller than the sum of its proper divisors (22112211112484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20102010102220 is a wasteful number, since it uses less digits than its factorization.

20102010102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005100505120 (or 1005100505118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20102010102220 its reverse (2220101020102), we get a palindrome (22322111122322).

The spelling of 20102010102220 in words is "twenty trillion, one hundred two billion, ten million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1005100505111 2010201010222 4020402020444 5025502525555 10051005051110 20102010102220